Finding the Fourth Proportional to 5,023,271.36, 7,535,168.40 and 1,657,740.80
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Solution
The fourth proportional to 5,023,271.36, 7,535,168.40 and 1,657,740.80 is: 2,486,697.45
Step by Step Solution
- Step 1: Write the proportion equation
5,023,271.36 : 7,535,168.40 = 1,657,740.80 : x - Step 2: Convert to fraction form
5,023,271.36/7,535,168.40 = 1,657,740.80/x - Step 3: Cross multiply
5,023,271.36x = 7,535,168.40 × 1,657,740.80 - Step 4: Simplify right side
5,023,271.36x = 12,491,356,091,550.72 - Step 5: Solve for x
x = 12,491,356,091,550.72/5,023,271.36 - Step 6: Final answer
x = 2,486,697.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.